4 Channel 3G-SDI Fiber Extender With Backward RS485 4Ch Tally 20KM FC Connector
4-Channel 3G-SDI Fiber Extender with Backward RS485 & 4Ch Tally 20KM FC Connector
4Ch 3G SDI Video Over Fiber Extender Advantages
► 4 channel 3G-SDI video transmission over optic fiber
► Directly compatible with HD-SDI camera systems
► SLong transmission capability at least 20 km (40~80km Optional)
► Support 1-Channel RS485 and 4-Channels Tally
4-Channels 3G SDI Fiber Transmitter Receiver Technical Indexes
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SDI Input |
SMPTE 424M, SMPTE 292M, SMPTE 259M, DVB-ASI, DVB-SSI and Telecom/Datacom |
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270Mbit/s - 1.48Gbit/s – 3Gbit/s |
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Input number: 4 |
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Reflection loss: >15DB |
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Equilibrium: 0-150m @3Gb/s |
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Connector: BNC |
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Optics |
Channel: 1 |
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Type: single-mode |
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Transmission distance: 20km (Other distance Optional) |
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Reflection loss: > 15dB |
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Dithering: < 0.2UI |
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Connector: FC/UPC (SC, LC, ST optional) |
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SDI Output |
Output number:4 |
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Signal level: 800mV nominal |
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Rise/fall time: 200ps indication |
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Overshoot: < 10% amplitude |
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Reflection loss: >15dB |
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Dithering: < 0.2UI |
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Connector: 75Ω BNC |
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Data |
1Ch RS-485 (full/half duplex) and support NRZ, RZI and Manchester |
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Max. 57600bps for RS485 |
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4Ch Tally: A, B , C, D |
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SDI video format supports |
625/25PAL; 525/29.97NTSC; 525/23.98NTSC; 720p50; 720p59.94; 1080P23.98/24/30/50/60; 1080i 23/24/30/50/59.94; |
3G-SDI Optical Fiber Transceiver
1. Tally Connections
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T-A |
T-B |
T-C |
T-D |
GND |
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LED Type |
SDI-A |
SDI-B |
SDI-C |
SDI-D |
GND |
Receiver TALLY Signal Input Connection: (LED load type is only suitable for OC derive LED - driver)
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A |
B |
C |
D |
VDD |
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LED Type |
SDI-A |
SDI-B |
SDI-C |
SDI-D |
2. RS485 Connections
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GND |
D+ |
D- |
4 Channels 3G-SDI Over Fiber Transmitter Receiver Ordering Information
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Model |
Description |
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LNK-HDSDI-4V1D4T |
4-Ch HD-SDI Video with Loop output + 1Ch backward RS485 + 4Ch Tally, SM 20km, FC, including 1 transmitter & 1 receiver, used by pairs |
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LNK-3GSDI-4V1D4T |
4-Ch 3G-SDI Video with Loop output + backward RS485 + 4Ch Tally, SM 20km, FC, including 1 transmitter & 1 receiver, used by pairs |
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